Metallurgy For The Non-metallurgist Pdf |link| -
Look at photos of fractured parts (many PDFs include case studies). Identify: Is the fracture brittle (flat, shiny, chevron marks) or ductile (dull, fibrous, cup-and-cone)? That simple difference tells you if the material was overloaded or if a crack grew over time.
To select the right material for a design. metallurgy for the non-metallurgist pdf
(iron + 0.05–1.0% carbon)